Question

Just 4 and 5 since my other one was not takin any more awnsers

Answer 1

4. O+ donors to O- donors.

5. B+ to A- donors.

hope this helps

Explanation:

Answer 2

4. O+ donors to O- donors.

5. B+ to A- donors.

Explanation:

Just try to find the numbers on the chart and then find which type of donor the number matches with. Hope this helps!